It's been almost a month since a 7.0 earthquake hit Haiti. Aid workers are still struggling to cope with a situation that some have described as worse than the 2004 tsunami. Guest host Sara Terry explores humanitarian efforts. What aid is reaching people? Who still needs help? What are the biggest challenges? Also, Greeks strike over austerity measures, and revising the psychiatrists' “bible” and what that means for diagnosing disorders.

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It's been almost a month since a 7.0 earthquake hit Haiti. Aid workers are still struggling to cope with a situation that some have described as worse than the 2004 tsunami. Guest host Sara Terry explores humanitarian efforts. What aid is reaching people? Who still needs help? What are the biggest challenges? Also, Greeks strike over austerity measures, and disorders, dysfunctions and definitions. Psychiatrists revise the manual that helps them treat mental illness.

Banner image: United Nations' Peruvian Peacekeepers and the US Army provide security for food distribution coordinated by GOAL, the international humanitarian aide organization, in Place St. Pierre in Port-au-Prince. Each woman is given a card and then is helped with a 20 kilogram bag of rice by one of the men from the GOAL team. Photo: Sophia Paris/MINUSTAH via Getty Images

In Greece, strikes over the government's deficit-cutting plans have grounded flights, closed many schools and forced some hospitals into emergency-only service. The conflict comes as Greece struggles to find its way out of a severe economic crisis. Nick Malkoutzis is Deputy Editor of the English-language edition of the Greek national newspaper, Kathimerini.

In Haiti, humanitarian aid workers are finally getting systems in place to distribute aid. But many Haitians complain they still aren't getting the help they need a month after the 7.0-magnitude earthquake that hit the island. How is aid being distributed? How is the international community dealing with orphans, after the arrest of ten missionaries accused of trying to smuggle children out of the country? With such widespread devastation, what kind of rebuilding does Haiti most need to build a more secure future?

The Diagnostic and Statistical Manual of Mental Disorders is the go-to "bible" for psychiatrists in diagnosing disorders. A fifth revision is underway now, with new terms, "intellectual disability" instead of "mental retardation." There are also new categories for disorders and new "behavioral" addictions. Gambling gets labeled an addiction, but sex does not. Peter Aldhous, San Francisco Bureau Chief for New Scientist, explains what these revisions all mean.